package file;

import javax.swing.*;
import java.io.File;
import java.io.IOException;

public class CreateNewFileDemo {
    public static void main(String[] args) throws IOException {
        /*
        for (int i=1;i<=10;i++){
            File file=new File("./test"+i+".txt");
            if(!file.exists()){
                file.createNewFile();
            }
        }
        System.out.println("创建完毕！");
        */
        File file = new File("./test2.txt");
        if (file.exists()) {
            System.out.println("文件已存在");
        } else {
            file.createNewFile();
            System.out.println("该文件已创建");
        }
    }
}
